A tree fell on a vehicle in Spartanburg, SC, trapping two people inside. Injuries are unknown at this time.

3:20 p.m. EDT: Golf ball-sized hail reported in Dauphin, Pa.

3:15 p.m. EDT: The strongest storms are from south of Boston, south of Hartford to northern New Jersey into York PA. Along that line of storms, strong wind gusts are the main impacts. Only a few storms have small hail, according to radar right now.

Other severe storms extend into western Maryland, areas east of Pittsburgh into eastern Ohio. Again, strong winds are the main impacts.

Flash flood warnings are out across parts of eastern Kentucky, where slow-moving storms are producing over an inch of rain locally.

3 p.m. EDT: Storms west of State College.

2:15 p.m. EDT: Multiple trees and wires down in Dutchess, N.Y. Wires down across Route 17 in Bergen, N.J., just west of the Bronx.

2:03 p.m. EDT: Hail the size of a half-dollar reported in Peabody, Mass., just north of Boston.

1:40 p.m. EDT: Several people were injured when a tree landed on a car and a gazebo was blown over on Morgan Park Landing Road in Nassau County, N.Y.

As a cold front slices into high heat and humidity, severe storms are across the Northeast and eastern coast, from Massachusetts and southward into South Carolina.

A cluster of storms will also move through Mississippi, Alabama, Georgia and parts of Florida.

The storms are expected to affect major cities like Boston, New York, Philadelphia, Baltimore, Pittsburgh, Washington D.C., Cleveland, Providence and Hartford.

The most widespread concerns are damaging wind gusts greater than 60 mph and hail larger than quarters.